JetBrains has released the first stable version of Compose Multiplatform for iOS, enabling developers to use Kotlin and Jetpack Compose to build native user interfaces across Android, iOS, desktop, and web — from a single codebase.

This brings full cross-platform UI development closer to reality with shared UI logic, native performance, and official tooling support in IntelliJ IDEA and Android Studio.

Has anyone tried using Compose Multiplatform in production yet?

I tried it but went back to Flutter, Compose Multiplatform just wasn't ready even a few months ago for any platform but Android while Flutter has worked well for multiplatform work for years now.